[Error Format - Data] Getting Data SharePoint

Hi everyone, 

I'm getting data from a SharePoint folder from csv tables, everything worked fine till last week. I used the sharepoint for get data for the past 5 months. But now, the connection brings to me data with error format/and what appears to me isn't the corrects column and lines.  It's impossible read the data this way.
However the originals files inside the folder when i opened are ok (with the data intact and correct format). 
I tried changing de tables for xlsx, review the coding and changing the folder connection with the sharepoint.
Can anyone help me?